Features: With magnet and suction cup, easy to place High and low temperature display on the same screen 1 meter high precision sensor Specifications: Product name: Electronic Aquarium Water Temperature Monitor Digital Aquarium Thermometer Product size: 70*33MM line 1M Regular color: black Battery model: AG13 button battery *2PCS (included) Appearance material: ABS Unit: Celsius and Fahrenheit Temperature measurement range: -50~70 Measurement error: 1 Refresh rate: 10S Working principle: resistance temperature measurement Package included: 1 * Thermometer with Sensor